Page 261 - Med Plaza and Cancer Center

Medical Lubricated Vacuum

5.0 Trouble Shooting

Problem Possible Causes Solution

Unit lacks suffi cient vacuum Unit is operating at an elevated Contact the factory for assistance.
altitude Performance may be reduced when
operating above sea level (see Section 2.4).

Exhaust valve may not be properly
seated or stuck open.

Shaft seal may be leaking.
Contact the factory for assistance. Have
Radial clearance between rotor and pump model and serial number available.
cylinder may need adjustment.

Internal parts may be damaged or
worn.

Transducer fault with lag alarm. Replace Transducer (TAE controls only).

Motor breakers trip Defective motor Test motor and replace if necessary.

Low motor voltage Check at motor terminals.

Contact electric service provider.

Ambient temperature too high Reduce ambient temperature.

Disassemble pump to determine reason.
Stuck rotor
Replace all necessary parts.
Clogged exhaust oil separator(s) - Replace separator(s).
back pressure too high

Unit runs rough and cannot Broken rotor vane Disassemble unit and replace vane. Check
be rotated manually cylinder for wear.

Worn coupling disc Remove motor and inspect rubber
coupling disc and pins. Replace, if
necessary, and realign.

Seized bearings Remove end shields and inspect cylinder.
Replace if necessary. Re-shim bearings to
maintain proper clearance.

Locked rotor Remove end shields and inspect cylinder.
Remove contamination.

Pump overheats Cooling ducts blocked Clean cooling ducts.

Cooling fan broken Replace fan.

4107 9000 96.03 5-2